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Thermostatic shower - need to turn it hotter & hotter

Discussion in 'Plumbing and Central Heating' started by obtc101, 8 Mar 2014.

  1. obtc101

    obtc101

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    Hi,

    Looking for some help please with a relatively new thermostatic shower valve.

    Over the last few weeks we've needed to turn the valve further and further round to maintain the same temperature. Up until recently it was always comfortable on the 38 degree setting. We now need to turn the dial to what it says is about 43 degrees to get the same heat. However 43 is not the real temperature.

    The valve and bathroom were professionally installed 8 months ago. It's a downstairs bathroom, and we have a gravity fed CH system, and the shower is fed by a 2 bar salamander pump. No problems with hot water in the kitchen or elsewhere.

    Is it just a case of needing to de-scale or replace the cartridge in the valve?

    Thanks
     
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  3. muggles

    muggles

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    Could be muck in the filters
     
  4. obtc101

    obtc101

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    Thanks muggles. How do I get to the filters is it the same as when I remove the cartridge?

    Thanks
     
  5. muggles

    muggles

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    What make/model is it?
     
  6. picasso

    picasso

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    Try turning the control to full cold the full hot a few times, it some times works to "reset" the cartridge.
     
  7. obtc101

    obtc101

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    Thanks Picasso. I tried turning it hot and cold a few times and it worked.

    Muggles - it's a bathco exposed Mantra shower. Their website doesn't seem to be working to share a link but it's got a horizontal valve with knobs at either end. one for pressure, one for heat. I can take the cap off at the end to get to the cartrdige. Would the filter be in there?
     
  8. jeff the gasman

    jeff the gasman

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    No, you would have to remove the bar from the wall to get at them. If present!
     
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